When the Nation of Isoland Opens Up Its Steel Market

Multiple Choice

When the nation of Isoland opens up its steel market to international trade,that change

A) creates winners and losers,regardless of whether Isoland ends up exporting or importing steel.
B) results in a decrease in total surplus,regardless of whether Isoland ends up exporting or importing steel.
C) creates winners,but no losers,if Isoland ends up exporting steel.
D) creates losers,but no winners,if Isoland ends up importing steel.